12 Questions
Which bone in the lower jaw of a frog articulates with the quadratojugal bone of the upper jaw?
Angulosplenial bone
Where are the teeth located in frogs?
Premaxilla and maxilla
What is the function of teeth in frogs?
Prevent prey from escaping
What structure forms the support for the floor of the buccal cavity in frogs?
Hyoid apparatus
Which structure is responsible for separating the respiratory passage from the buccal cavity in mammals?
True palate
What characteristic of mammalian skull bones allows them to be united by zig-zag lines called sutures?
Presence of true palate
In which type of dentition do mammals have teeth that differ in shape and structure for various functions like cutting, tearing, and chewing food?
Heterodont dentition
Which skull structure contributes to the formation of the glenoid fossa in mammals?
Zygomatic process
What bones immobilize the upper jaw to the skull in frogs?
Palatine, auditory capsule bones, squamosal bone
Which bone connects the maxilla to the sphenethmoid of the cranium?
Palatine
Where is the squamosal bone attached in the upper jaw of a frog?
Posteriorly to the quadratojugal
Which bone forms the outer margin of the skull anteriorly and laterally in a frog?
Premaxilla
Explore the unique structure of the lower jaw bones in vertebrates including the articulation with upper jaw bones, the composition of each half of the lower jaw, and the specific bones involved.
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